PULMONARY DIFFUSING CAPACITY AND ITS EVALUATION BY SCINTILLATION SCANNING OF LUNGS IN LUNG CANCER

Abstract
Scintillation scanning of the lung is useful in evaluation of pulmonary arterial involvement in patients with lung cancer of the hilar node type. If the pulmonary arterial trunk is functionally obstructed by the surrounding lymph node enlargement of cancerous process, a low value of the CO pulmonary diffusing capacity with decreased pulmonary capillary blood volume can be explained by the findings on a scintigram.